Update GN build files for new prefs location.

components/password_manager/core/browser/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/protobuf/proto_library.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
@@ skipping 97 matching lines @@
   ]
 
   public_deps = [
     "//base",
     "//sync",
   ]
   deps = [
     ":proto",
     "//base",
     "//base:i18n",
-    "//base:prefs",
     "//components/autofill/core/browser",
     "//components/autofill/core/common",
     "//components/keyed_service/core",
     "//components/os_crypt",
     "//components/password_manager/core/common",
     "//components/pref_registry",
+    "//components/prefs",
     "//components/strings",
     "//components/sync_driver",
     "//components/url_formatter",
     "//components/variations",
     "//components/webdata/common",
     "//google_apis",
     "//net",
     "//sql",
     "//third_party/protobuf:protobuf_lite",
     "//third_party/re2",
@@ skipping 82 matching lines @@
     "password_store_default_unittest.cc",
     "password_store_origin_unittest.h",
     "password_store_unittest.cc",
     "password_syncable_service_unittest.cc",
     "password_ui_utils_unittest.cc",
     "psl_matching_helper_unittest.cc",
     "statistics_table_unittest.cc",
   ]
   deps = [
     ":test_support",
-    "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/autofill/core/browser:test_support",
     "//components/autofill/core/common",
     "//components/os_crypt",
     "//components/password_manager/core/browser:proto",
     "//components/password_manager/core/common",
+    "//components/prefs:test_support",
     "//components/strings",
     "//components/sync_driver:test_support",
     "//components/variations",
     "//net:test_support",
     "//sql:test_support",
     "//sync:test_support_sync_api",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//url",
   ]
 }